Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D470157 | Concrete cutter frame and cab | Fred Ketterhagen, Kevin F. Ketterhagen | 2003-02-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D470157 | Concrete cutter frame and cab | Fred Ketterhagen, Kevin F. Ketterhagen | 2003-02-11 |